Pokemon Black 2 Cheats & Codes

In order to unlock wallpapers in Pokemon Black 2, you must first complete the following tasks. (The wallpapers are for your Pokemon storage boxes in your PC)

How to unlock the Reshiram, Kyurem 1, Kyurem 2, and the Zekrom wallpapers:

In order to unlock these wallpapers you must catch Kyurem.

How to unlock Monochrome, PWT, Movie, and Team Plasma wallpapers:

In order to unlock these wallpapers, you must first defeat the Elite 4 and Champion.

How to Unlock Keys:

In order to unlock each of the keys in Pokemon Black 2 listed below, you must first complete the tasks listed next to them. Note: In order to capture the Regi legendary Pokemon, you will need the Iceberg Key, Tower Key and the Iron key.

Challenge Mode Key and the Iron Key.

In order to unlock these two keys you must link up your game to Pokemon White 2.

Iceberg Key:

To unlock the Iceberg key, you must capture Regirock. (Below is a video of capturing it)

Tower Key:
To get the tower key, you must first complete Area 5 of the Black Tower.

Shiny Charm:
In order to get the Shiny Charm, you must first catch every Pokemon in the National Pokedex. After that you need to go to Nuvema Town and talk to Professor Juniper. Then you will get the charm! The shiny charm will increase the chance of finding a Shiny Pokemon in the wild (1:2370.6)

How to get the License:
First you must view all 300 Pokemon in the Unova Pokedex, then you go to Nuvema Town and talk to Professor Juniper to get the license which gives you access to the Nature Preserve.

How to get any Pokemon in Pokemon Black 2 and White 2 Without Using Action Replay:

Water-type Catcher:
Catch ALL Water-type Pokemon in the Unova Pokedex.

Water-type Champ:
Win the Pokemon League with only Water-type Pokemon.

Wonder Saver:
Save game 100 times.

World's Mightiest:
Win the Champions Tournament.

Pokedex Completion Awards:
Just like in the previous Pokemon games, you will be rewarded for catching and seeing pokemon in your Pokedex. The benefit in Pokemon Black 2 is that you get actual items as a reward!

Round Charm:
In order to unlock the Round Char, you need to catch every Pokemon in the Unova Pokedex.

Shining Charm:
In order to unlock the Shining Charm you need to catch every Pokemon in the National Pokedex.

Getting all three starter Pokemon in Black 2:
First start a new game and choose a starter Pokemon. Then trade it to your other DS and then delete the game and start a new game again. Then you chooose another starter and do the same thing (trade it to your other DS) Then start a new game one last time and choose the one starter you haven't chosen, now catch two weak pokemon and trade it to the other DS and trade for the two starters from that DS. Now your team has all three starter Pokemon!